No Equipment in Construction Manual

If you mean that the equipment is under the food heading, that's already been reported here and affects all skills: https://batteredshield.userecho.com/topics/86-manual-update/#comment-569. Note that the bracketed text after each item's bonus indicates whether it's food ("use") or equipment ("equip").

If you mean that the equipment is all accessories (Ring of Measuring, Pocketed Pants, etc.) rather than tools (hammers, axes, etc.), that's been reported here: Construction Tool Usage.